Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 476: | \[{22^{476}-1\over21}\] | 5 × 7 × 23 × 29 × 43 × 97 × 103 × 137 × 239 × 4481 × 4999 × 83273 × 86969 × 108461 × 7283753 × 16968421 × 34379269 × 74729519 × 128000923 × 325225811 × 1594728827 × 176634767651<12> × 394313197362841<15> × 3135252663810863719229<22> × 5440324422136080822941<22> × 83436447569696846137157887090522121537<38> × 659649770173848747991107242800159507841<39> × 1770415117442388942599065768237247459111334330892541125853091008752321211598040910149<85> × 28666493858498547343017629255175189267400871659920940307509223374633330593569907923991082187753910665189<104> × [115979830413629003350081248798327095689012833831149855345473701956123552076577567627830820156890945673188210618359690556723193488774782297117989020696872579076536765530527753025219522695263040441386631927389325277<213>] |